Chargers DT Garrett Brown has been suspended four games for violating the NFL's policy on performance enhancing substances.

Brown's suspension won't have an on-field impact in San Diego, as he was viewed as a camp body after signing in May. The former Minnesota Gopher has never appeared in an NFL game. Thu, Aug 16, 2012 05:09:00 PM

An undrafted free agent out of Minnesota in 2010, Brown most recently spent time with the Chiefs. He has never appeared in an NFL game, and is just a camp body for the Bolts. Hobbs is an undrafted free agent out of small-school Nebraska-Kearney. Tue, May 15, 2012 11:33:00 AM

"I was in shock," Gates said, adding he believed he'd win his appeal. As it is, Gates said the failed test was a "blip on the radar." Contract-year TE Ladarius Green gets a four-game audition to replace Gates during his ban. Now 35, Gates is also in a contract year.